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-rw-r--r--arch/powerpc/boot/Makefile3
-rw-r--r--arch/powerpc/boot/cuboot-c2k.c190
2 files changed, 192 insertions, 1 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index c3585bed197..e02fe3603e3 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -63,7 +63,7 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c \
cuboot-bamboo.c cuboot-mpc7448hpc2.c cuboot-taishan.c \
- fixed-head.S ep88xc.c ep405.c \
+ fixed-head.S ep88xc.c ep405.c cuboot-c2k.c \
cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
virtex405-head.S redboot-83xx.c
@@ -264,6 +264,7 @@ image-$(CONFIG_KSI8560) += cuImage.ksi8560
# Board ports in arch/powerpc/platform/embedded6xx/Kconfig
image-$(CONFIG_STORCENTER) += cuImage.storcenter
image-$(CONFIG_MPC7448HPC2) += cuImage.mpc7448hpc2
+image-$(CONFIG_PPC_C2K) += cuImage.c2k
# For 32-bit powermacs, build the COFF and miboot images
# as well as the ELF images.
diff --git a/arch/powerpc/boot/cuboot-c2k.c b/arch/powerpc/boot/cuboot-c2k.c
new file mode 100644
index 00000000000..e43594950ba
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-c2k.c
@@ -0,0 +1,190 @@
+/*
+ * GEFanuc C2K platform code.
+ *
+ * Author: Remi Machet <rmachet@slac.stanford.edu>
+ *
+ * Originated from prpmc2800.c
+ *
+ * 2008 (c) Stanford University
+ * 2007 (c) MontaVista, Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "types.h"
+#include "stdio.h"
+#include "io.h"
+#include "ops.h"
+#include "elf.h"
+#include "gunzip_util.h"
+#include "mv64x60.h"
+#include "cuboot.h"
+#include "ppcboot.h"
+
+static u8 *bridge_base;
+
+static void c2k_bridge_setup(u32 mem_size)
+{
+ u32 i, v[30], enables, acc_bits;
+ u32 pci_base_hi, pci_base_lo, size, buf[2];
+ unsigned long cpu_base;
+ int rc;
+ void *devp, *mv64x60_devp;
+ u8 *bridge_pbase, is_coherent;
+ struct mv64x60_cpu2pci_win *tbl;
+ int bus;
+
+ bridge_pbase = mv64x60_get_bridge_pbase();
+ is_coherent = mv64x60_is_coherent();
+
+ if (is_coherent)
+ acc_bits = MV64x60_PCI_ACC_CNTL_SNOOP_WB
+ | MV64x60_PCI_ACC_CNTL_SWAP_NONE
+ | MV64x60_PCI_ACC_CNTL_MBURST_32_BYTES
+ | MV64x60_PCI_ACC_CNTL_RDSIZE_32_BYTES;
+ else
+ acc_bits = MV64x60_PCI_ACC_CNTL_SNOOP_NONE
+ | MV64x60_PCI_ACC_CNTL_SWAP_NONE
+ | MV64x60_PCI_ACC_CNTL_MBURST_128_BYTES
+ | MV64x60_PCI_ACC_CNTL_RDSIZE_256_BYTES;
+
+ mv64x60_config_ctlr_windows(bridge_base, bridge_pbase, is_coherent);
+ mv64x60_devp = find_node_by_compatible(NULL, "marvell,mv64360");
+ if (mv64x60_devp == NULL)
+ fatal("Error: Missing marvell,mv64360 device tree node\n\r");
+
+ enables = in_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE));
+ enables |= 0x007ffe00; /* Disable all cpu->pci windows */
+ out_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE), enables);
+
+ /* Get the cpu -> pci i/o & mem mappings from the device tree */
+ devp = NULL;
+ for (bus = 0; ; bus++) {
+ char name[] = "pci ";
+
+ name[strlen(name)-1] = bus+'0';
+
+ devp = find_node_by_alias(name);
+ if (devp == NULL)
+ break;
+
+ if (bus >= 2)
+ fatal("Error: Only 2 PCI controllers are supported at" \
+ " this time.\n");
+
+ mv64x60_config_pci_windows(bridge_base, bridge_pbase, bus, 0,
+ mem_size, acc_bits);
+
+ rc = getprop(devp, "ranges", v, sizeof(v));
+ if (rc == 0)
+ fatal("Error: Can't find marvell,mv64360-pci ranges"
+ " property\n\r");
+
+ /* Get the cpu -> pci i/o & mem mappings from the device tree */
+
+ for (i = 0; i < rc; i += 6) {
+ switch (v[i] & 0xff000000) {
+ case 0x01000000: /* PCI I/O Space */
+ tbl = mv64x60_cpu2pci_io;
+ break;
+ case 0x02000000: /* PCI MEM Space */
+ tbl = mv64x60_cpu2pci_mem;
+ break;
+ default:
+ continue;
+ }
+
+ pci_base_hi = v[i+1];
+ pci_base_lo = v[i+2];
+ cpu_base = v[i+3];
+ size = v[i+5];
+
+ buf[0] = cpu_base;
+ buf[1] = size;
+
+ if (!dt_xlate_addr(devp, buf, sizeof(buf), &cpu_base))
+ fatal("Error: Can't translate PCI address " \
+ "0x%x\n\r", (u32)cpu_base);
+
+ mv64x60_config_cpu2pci_window(bridge_base, bus,
+ pci_base_hi, pci_base_lo, cpu_base, size, tbl);
+ }
+
+ enables &= ~(3<<(9+bus*5)); /* Enable cpu->pci<bus> i/o,
+ cpu->pci<bus> mem0 */
+ out_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE),
+ enables);
+ };
+}
+
+static void c2k_fixups(void)
+{
+ u32 mem_size;
+
+ mem_size = mv64x60_get_mem_size(bridge_base);
+ c2k_bridge_setup(mem_size); /* Do necessary bridge setup */
+}
+
+#define MV64x60_MPP_CNTL_0 0xf000
+#define MV64x60_MPP_CNTL_2 0xf008
+#define MV64x60_GPP_IO_CNTL 0xf100
+#define MV64x60_GPP_LEVEL_CNTL 0xf110
+#define MV64x60_GPP_VALUE_SET 0xf118
+
+static void c2k_reset(void)
+{
+ u32 temp;
+
+ udelay(5000000);
+
+ if (bridge_base != 0) {
+ temp = in_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_0));
+ temp &= 0xFFFF0FFF;
+ out_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_0), temp);
+
+ temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL));
+ temp |= 0x00000004;
+ out_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL), temp);
+
+ temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL));
+ temp |= 0x00000004;
+ out_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL), temp);
+
+ temp = in_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_2));
+ temp &= 0xFFFF0FFF;
+ out_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_2), temp);
+
+ temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL));
+ temp |= 0x00080000;
+ out_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL), temp);
+
+ temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL));
+ temp |= 0x00080000;
+ out_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL), temp);
+
+ out_le32((u32 *)(bridge_base + MV64x60_GPP_VALUE_SET),
+ 0x00080004);
+ }
+
+ for (;;);
+}
+
+static bd_t bd;
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ CUBOOT_INIT();
+
+ fdt_init(_dtb_start);
+
+ bridge_base = mv64x60_get_bridge_base();
+
+ platform_ops.fixups = c2k_fixups;
+ platform_ops.exit = c2k_reset;
+
+ if (serial_console_init() < 0)
+ exit();
+}